发明授权
US5795693A Carrier for electrophotography, two component-type developer and image
forming method
失效
电子照相用载体，双组分型显影剂和成像方法
- 专利标题： Carrier for electrophotography, two component-type developer and image forming method
- 专利标题（中）： 电子照相用载体，双组分型显影剂和成像方法
-
申请号： US908624申请日： 1997-08-08
-
公开(公告)号： US5795693A公开(公告)日： 1998-08-18
- 发明人: Kenji Okado , Tsuyoshi Takiguchi , Tetsuya Ida
- 申请人： Kenji Okado , Tsuyoshi Takiguchi , Tetsuya Ida
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX6-162898 19940622
- 主分类号： G03G9/083
- IPC分类号： G03G9/083 ; G03G9/107 ; G03G9/113 ; G03G9/10
摘要：
A carrier for electrophotography is constituted by magnetic carrier core particles and a resin coating layer coating the magnetic carrier core particles. The carrier core particles contain a magnetic ferrite component represented by the following formula (I): (Fe.sub.2 O.sub.3).sub.x (A).sub.y (B).sub.z (I), wherein A denotes a member selected from the group consisting of MgO, AgO and mixtures thereof; B denotes a member selected from the group consisting of Li.sub.2 O, MnO, CaO, SrO, Al.sub.2 O.sub.3, SiO.sub.2 and mixtures thereof; and x, y and z are numbers representing weight ratios and satisfying the relation of: 0.2.ltoreq.x.ltoreq.0.95, 0.005.ltoreq.y.ltoreq.0.3, 0
公开/授权文献
- US4223049A Superficially mixed metal oxide electrodes 公开/授权日：1980-09-16